Biliary tract surgery in the elderly.
D000367:Age Factors; D000368:Aged; D001662:Biliary Tract Surgical Procedures; D002763:Cholecystectomy; D002764:Cholecystitis / Q000601:surgery; D004630:Emergencies; D005260:Female; D006801:Humans; D008297:Male; D009026:Mortality; D011183:Postoperative Complications